Concepts

All (3,182)Explore Concept Graph

3,182 concepts

measurement

end member contributions

hydrology1 paper
measurement

end-member concentrations

biogeochemistry1 paper
process

end-member source waters

hydrology1 paper
framework

end-to-end data system

Integrated infrastructure dealing with all aspects of sensor-based measurements from data acquisition, curation, quality analysis and control, integration with other data systems, visualization, and d...

methodological1 paper
process

endosteal resorption

Process where new layers of bone are formed and other layers previously formed are resorbed into the endosteum, resulting in calcium extraction and potential destruction of growth rings

methodological1 paper
phenomenon

endosymbiosis

The living together of two dissimilar organisms in mutualism, commensalism, amensalism, or parasitism.

general ecology1 paper
hypothesis

enemy release hypothesis

community ecology1 paper
hypothesis

enemy release hypothesis

Exotic species benefit from the loss of a subset of their natural enemies during immigration

community ecology1 paper
hypothesis

enemy-free space hypothesis

community ecology1 paper
theory

energy budget constraints

The hypothesis that energy budgets rather than time budgets constrain marmot activity patterns

population ecology1 paper
phenomenon

energy security

general ecology1 paper
process

energy storage

climate1 paper
process

enhancement

When multiple cues reduce uncertainty by providing supplemental information, resulting in increased response compared to single components

general ecology1 paper
framework

ensemble Kalman filter

Bayesian data assimilation technique using Monte Carlo ensemble to approximate probability distributions for parameter estimation

methodological1 paper
methodology

ensemble forecasting

Technique that combines multiple models weighted by performance measures to improve prediction accuracy

methodological1 paper
measurement

entropy

A measure of noisiness in alarm calls, quantified using deterministic chaos analysis

methodological1 paper
phenomenon

environment-sociality relationship

The relationship between abiotic environmental features and patterns of individual social behavior and network position

general ecology1 paper
measurement

environmental quality

A latent variable representing overall environmental suitability that affects multiple demographic processes simultaneously

general ecology1 paper
process

enzymatic hydrolysis

biogeochemistry1 paper
process

enzyme evolution

Changes in protein catalytic function through amino acid substitutions affecting substrate specificity or activity

molecular1 paper
process

epeirogenic uplift

Regional-scale vertical movement of the Earth's crust without significant deformation

landscape1 paper
process

epiphyte

community ecology1 paper
framework

epistemological framework

methodological1 paper
framework

equation of state

Mathematical relationship among state variables that describes the system independent of how those values were achieved

general ecology1 paper
theory

equifinality

Concept that multiple different parameter combinations can produce equally acceptable model fits to observed data

methodological1 paper
theory

equilibrium stability

Analysis of whether population equilibria are locally stable or unstable based on eigenvalues of the Jacobian matrix

population ecology1 paper
framework

equity and inclusion

Ensuring that fieldwork safety accommodates different identities and experiences, and that safety cannot be promoted except through explicit consideration of power dynamics and workers' identities

general ecology1 paper
framework

error model

methodological1 paper
phenomenon

escape in time

general ecology1 paper
process

establishment failure

population ecology1 paper
process

ethanol tolerance in insects

Physiological mechanisms allowing insects to survive and function despite exposure to ethanol, including alcohol dehydrogenase enzyme activity

population ecology1 paper
framework

ethnobiology

general ecology1 paper
process

evaporative water loss

The physiological water loss and evaporative water loss response in amphibians as changing climatic conditions are linked to increased thermal and hydric stress

general ecology1 paper
process

evaporite deposition

Formation of chemical sedimentary rocks through evaporation of saline waters leading to precipitation of minerals like gypsum and halite

biogeochemistry1 paper
process

evasion

biogeochemistry1 paper
concept

evolutionary experience

Refers to predator-naive prey, whose ancestors historically interacted with a predator, but who have not interacted with that predator in their own lifetime

evolution1 paper
process

exaptation

The co-optation of existing traits for new functions during evolution

evolution1 paper
phenomenon

excess air

The component of atmospheric gas dissolved from air bubbles trapped below the water table when it rises during recharge events

hydrology1 paper
process

exfiltration

hydrology1 paper
process

exhumation history

landscape1 paper
phenomenon

expansion year

Year following incursion when virus may overwinter and resurge with slightly different climatological conditions

general ecology1 paper
metric

expected discrepancy

methodological1 paper
phenomenon

experimental side effects

Unintended consequences of experimental manipulations that may impact study results

methodological1 paper
process

explosive eruptions

general ecology1 paper
model type

exponential decline function

Mathematical function Y = A·e^(-β·d) where Y is root mass, A is root mass at soil surface, d is soil depth, and β defines steepness of decline

methodological1 paper
model type

exponential decline model

Mathematical model describing how pollen deposition decreases exponentially with successive flower visits

methodological1 paper
measurement

exposure ages

methodological1 paper
theory

extended phenotype

The effect of genes beyond the boundaries of the individual organism, including effects on associated communities

evolution1 paper
process

external inputs

biogeochemistry1 paper
process

extinction debts

population ecology1 paper